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为获得乌什县英阿瓦提乡玉米种植的最佳施肥量、施肥比例、施肥时期、施肥方法,摸清土壤养分校正系数、土壤供肥能力、作物养分吸收量和利用率,建立施肥指标体系,特设此试验,为乌什县英阿瓦提乡玉米施肥提供科学依据。一、材料与方法1.供试品种供试玉米品种为SC-704,系当地主栽品种。2.供试肥料尿素(含N46%)、重过磷酸钙(含P2O546%)和硫酸钾(含K2O50%),磷肥和钾肥全部基施,根据土壤类型,氮肥的40%基施,60%在玉米拔节期一次性
In order to obtain the best fertilization rate, fertilization ratio, fertilization period, fertilization method, soil nutrient correction coefficient, soil fertility, nutrient uptake and utilization rate of maize in Awati County of Wushi County, the fertilization index System, ad hoc this test, to provide a scientific basis for the fertilization of maize in the United Arab Awat Township Wushi County. First, the material and methods 1. Test varieties for testing Corn varieties for the SC-704, Department of local cultivars. Fertilizer urea (including N46%), SSP (containing P2O546%) and potassium sulfate (including K2O50%), phosphate and potash all based facilities, according to the type of soil, 40% nitrogen base facilities, 60% One-time at the jointing stage of corn